[X] My Assistant

[Phil Stooke]

I am setting up a new thread now for the early drives and continued checkout. Post in here as we start our traverse, sol 14 and on.

Phil

[Nix]

I found the answer :

"Extensive testing in the Mars Yard at NASA's Jet Propulsion Laboratory, which built the rover and manages operations, has shown these treads better withstand the pressure from sharp rocks and grip just as well or better than Curiosity's when driving on sand."

https://www.nasa.gov/feature/nasas-persever...-and-air-brakes

I found as much; but nothing on straight vs curved specifically, only in comparison with the pattern on Curie's wheels.

[Marvin]

I found as much; but nothing on straight vs curved specifically, only in comparison with the pattern on Curie's wheels.

“But perhaps the most visible change is in the grousers. They are ten percent taller and run across the width of the wheel in a near straight line. It’s got a slight curvature to it to help give some strength to it,” says JPL engineer Patrick DeGrosse.

https://www.sciencefriday.com/segments/to-b...s-test-on-mars/

Test wheel victims and survivors:

[MahFL]

“But perhaps the most visible change is in the grousers. They are ten percent taller and run across the width of the wheel in a near straight line. It’s got a slight curvature to it to help give some strength to it,” says JPL engineer Patrick DeGrosse.

That Percy wheel looks pretty good for doing 60Km.